Mattress



FIG. 1 is a left side, top perspective view of a mattress embodying my design;

FIG. 2 is a top plan view thereof, the bottom being a mirror image thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image thereof;

FIG. 4 is a foot end view thereof, the head end being a mirror image thereof;

FIG. 5 is an enlarged perspective view taken from FIG. 1 showing a portion of the mattress; and,

FIG. 6 is an enlarged side view taken from FIG. 3 showing a portion of the mattress.

The dash-dot-dot-dash broken lines represent environmental subject matter showing claim in use and form not part of the claim. The dash-dot-dash broken lines in surrounding FIGS. 5 and 6 and the detail reference rectangles on FIGS. 1 and 2 represent boundaries that form no part of the claim. The short dot-dot broken lines represent claimed stitching. 

CLAIM I claim the ornamental design for a mattress, as shown and described. 